Out-Of-Office Notification Mechanism for Email Clients

1. A computer system for an online out-of-office message notification system to notify at least one sender who has sent an email in a pre-defined time span prior to a start time associated with an online out-of-office notification being set by a user and to notify at least one other sender who has sent an email in a predefined time span following the start time associated with the online out-of-office notification being set by the user, the computer system comprising: one or more processors, one or more computer-readable memories, one or more computer-readable tangible storage medium, and program instructions stored on at least one of the one or more tangible storage medium for execution by at least one of the one or more processors via at least one of the one or more memories, wherein the computer system is capable of performing a method comprising: in response to the online out-of-office notification being set by the user, monitoring a plurality of emails associated with the user; detecting a plurality of emails being received within the monitored plurality of emails; analyzing the detected received plurality of emails; identifying a first plurality of un-responded emails within the analyzed received plurality of emails, wherein the identified first plurality of un-responded emails is in an inbox and was received within the pre-defined time span prior to the start time associated with the out-of-office notification being set by the user and wherein the identified first plurality of un-responded emails was determined to require a first response; identifying a second plurality of un-responded emails within the analyzed received plurality of emails, wherein the identified second plurality of un-responded emails is in the inbox and was received within the pre-defined time span following the start time associated with the out-of-office notification being set by the user. and wherein the identified second plurality of un-responded emails was determined to require a second response; sending a first out-of-office message notification to the at least one sender associated with at least one un-responded email within the identified first plurality of un-responded emails; and sending a second out-of-office message notification to the at least one other sender associated with at least one un-responded email within the identified second plurality of un-responded emails.

2. The computer system of claim 1 , further comprising: filtering a plurality of generic emails from the monitored plurality of un-responded emails in the inbox; and creating a list of a plurality of senders associated with a plurality of emails which require a response from the monitored plurality of un-responded emails.

3. The computer system of claim 2 , wherein the filtering the plurality of generic emails from the analyzed plurality of un-responded emails in the inbox comprises monitoring if an email within the plurality of un-responded emails in the inbox has been responded to by the user.

4. The computer system of claim 2 , wherein the filtering the plurality of generic emails from the analyzed plurality of un-responded emails in the inbox comprises removing a name associated with a recipient of the email in the inbox that has been responded to by the user.

5. The computer system of claim 1 , wherein the filtering the plurality of generic emails from the analyzed plurality of un-responded emails in the inbox comprises using a set of pre-defined rules created by the user.

6. The computer system of claim 1 , wherein the pre-defined time span comprises determining a current time; setting a start time associated with the out-of-office notification; setting an end time associated with the out-of-office notification; and determining a pre-determined time window wherein the pre-determined time window begins at time that is less than the start time.

7. The computer system of claim 6 , wherein the pre-determined time window comprises a time duration that is configurable by the user.

8. The computer system of claim 6 , wherein the monitoring and the analyzing of the plurality of un-responded emails occurs for a duration from the set start time minus the pre-determined time window until the set start time and comprises adding the plurality of un-responded emails in the inbox to a shortlist.

9. A computer program product for an online out-of-office message notification system to notify at least one sender who has sent an email in a pre-defined time span prior to a start time associated with an online out-of-office notification being set by a user and to notify at least one other sender who has sent an email in a predefined time span following the start time associated with the online out-of-office notification being set by the user, the computer program product comprising: one or more non-transitory computer-readable tangible storage medium and program instructions stored on at least one of the one or more non-transitory computer-readable storage devices, the program instructions executable by a processor, the program instructions comprising: in response to the online out-of-office notification being set by the user, program instructions to monitor a plurality of emails associated with the user; program instructions to detect a plurality of emails being received within the monitored plurality of emails; program instructions to analyze the detected received plurality of emails; program instructions to identify a first plurality of un-responded emails within the analyzed received plurality of emails, wherein the identified first plurality of un-responded emails is in an inbox and was received within the pre-defined time span prior to the start time associated with the out-of-office notification being set by the user. and wherein the identified first plurality of un-responded emails was determined to require a first response; program instructions to identify a second plurality of un-responded emails within the analyzed received plurality of emails, wherein the identified second plurality of un-responded emails is in the inbox and was received within the pre-defined time span following the start time associated with the out-of-office notification being set by the user. and wherein the identified second plurality of un-responded emails was determined to require a second response; program instructions to send a first out-of-office message notification to the at least one sender associated with at least one un-responded email within the identified first plurality of un-responded emails; and program instructions to send a second out-of-office message notification to the at least one other sender associated with at least one un-responded email within the identified second plurality of un-responded emails.

10. The computer program product of claim 9 , wherein the pre-defined time span comprises determining a current time; setting a start time associated with the out-of-office notification; setting an end time associated with the out-of-office notification; and determining a pre-determined time window wherein the pre-determined time window begins at time that is less than the start time.

11. The computer program product of claim 10 , wherein the pre-determined time window comprises a time duration that is configurable by the user.

12. The computer program product of claim 9 , further comprising: program instructions to filter a plurality of generic emails from the monitored plurality of un-responded emails in the inbox; and program instructions to create a list of a plurality of senders associated with a plurality of emails which require a response from the monitored plurality of un-responded emails.